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RT6222B - SynchronousStep-Down Converter

This page provides the datasheet information for the RT6222B, a member of the RT6222A SynchronousStep-Down Converter family.

Datasheet Summary

Description

The RT6222A/B is a synchronous step-down converter with Advanced Constant On-Time (ACOTTM) control mode.

The ACOTTM provides a very fast transient response with few external components.

Features

  • 4.3V to 18V Input Voltage Range.
  • 2.5A Output Current.
  • Advanced Constant On-Time Control.
  • Fast Transient Response.
  • Support All Ceramic Capacitors.
  • Up to 95% Efficiency.
  • 500kHz Switching Frequency.
  • Adjustable Output Voltage from 0.6V to 8V.
  • Cycle-by-Cycle Current Limit.
  • Input Under-Voltage Lockout.
  • Hiccup Mode Under-Voltage Protection.
  • Thermal Shutdown.
  • Power Saving Mode for High Efficiency at Light Load.
  • Low Output Voltage Rip.

📥 Download Datasheet

Datasheet preview – RT6222B

Datasheet Details

Part number RT6222B
Manufacturer Richtek
File Size 312.90 KB
Description SynchronousStep-Down Converter
Datasheet download datasheet RT6222B Datasheet
Additional preview pages of the RT6222B datasheet.

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Full PDF Text Transcription

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® RT6222A/B 2.5A, 18V, 500kHz ACOTTM Synchronous Step-Down Converter General Description The RT6222A/B is a synchronous step-down converter with Advanced Constant On-Time (ACOTTM) control mode. The ACOTTM provides a very fast transient response with few external components. The low impedance internal MOSFET supports high efficiency operation with wide input voltage range from 4.3V to 18V. The proprietary circuit of the RT6222A/B enables to support all ceramic capacitors. The output voltage can be adjusted between 0.6V and 8V.
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